[clang-tools-extra] [clang-tidy] support static analyzer checker configuration in `--verify-config` (PR #109523)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-tools-extra

Author: Julian Schmidt (5chmidti)

<details>
<summary>Changes</summary>

Previously the configuration options for the Clang Static Analyzer
checkers were not recognized for the verification of the configuration
with `--verify-config`.
Add all available configuration options of CSA checkers as possible
configuration options in a clang-tidy config.


---
Full diff: https://github.com/llvm/llvm-project/pull/109523.diff


3 Files Affected:

- (modified) clang-tools-extra/clang-tidy/ClangTidy.cpp (+12) 
- (modified) clang-tools-extra/docs/ReleaseNotes.rst (+4) 
- (modified) clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp (+8) 


``````````diff
diff --git a/clang-tools-extra/clang-tidy/ClangTidy.cpp b/clang-tools-extra/clang-tidy/ClangTidy.cpp
index 1cd7cdd10bc25f..62f9d19b2a362f 100644
--- a/clang-tools-extra/clang-tidy/ClangTidy.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidy.cpp
@@ -672,6 +672,18 @@ getAllChecksAndOptions(bool AllowEnablingAnalyzerAlphaCheckers) {
     Buffer.append(AnalyzerCheck);
     Result.Names.insert(Buffer);
   }
+  for (std::string OptionName : {
+#define GET_CHECKER_OPTIONS
+#define CHECKER_OPTION(TYPE, CHECKER, OPTION_NAME, DESCRIPTION, DEFAULT,       \
+                       RELEASE, HIDDEN)                                        \
+  Twine(AnalyzerCheckNamePrefix).concat(CHECKER ":" OPTION_NAME).str(),
+
+#include "clang/StaticAnalyzer/Checkers/Checkers.inc"
+#undef CHECKER_OPTION
+#undef GET_CHECKER_OPTIONS
+       }) {
+    Result.Options.insert(OptionName);
+  }
 #endif // CLANG_TIDY_ENABLE_STATIC_ANALYZER
 
   Context.setOptionsCollector(&Result.Options);
diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 8d0c093b312dd5..877db81a1ca235 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -98,6 +98,10 @@ Improvements to clang-tidy
 - Improved :program:`run-clang-tidy.py` script. Fixed minor shutdown noise
   happening on certain platforms when interrupting the script.
 
+- Improved :program:`clang-tidy`'s `--verify-config` flag by adding support for
+  the configuration options of the `Clang Static Analyzer Checks
+  <https://clang.llvm.org/docs/analyzer/checkers.html>`_.
+
 New checks
 ^^^^^^^^^^
 
diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp
index 3659285986482a..93f6f9fc156a45 100644
--- a/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp
+++ b/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp
@@ -30,3 +30,11 @@
 // CHECK-VERIFY-BLOCK-BAD: command-line option '-config': warning: check glob 'bugprone-arguments-*' doesn't match any known check [-verify-config]
 // CHECK-VERIFY-BLOCK-BAD: command-line option '-config': warning: unknown check 'bugprone-assert-side-effects'; did you mean 'bugprone-assert-side-effect' [-verify-config]
 
+// RUN: echo -e 'Checks: "-*,clang-analyzer-optin.cplusplus.UninitializedObject"\nCheckOptions:\n clang-analyzer-optin.cplusplus.UninitializedObject:Pedantic: true' > %T/MyClangTidyConfigCSA
+// RUN: clang-tidy --verify-config --config-file=%T/MyClangTidyConfigCSA 2>&1 | FileCheck %s -check-prefix=CHECK-VERIFY-CSA-OK -implicit-check-not='{{warnings|error}}'
+// CHECK-VERIFY-CSA-OK: No config errors detected.
+
+// RUN: echo -e 'Checks: "-*,clang-analyzer-optin.cplusplus.UninitializedObject"\nCheckOptions:\n clang-analyzer-optin.cplusplus.UninitializedObject.Pedantic: true' > %T/MyClangTidyConfigCSABad
+// RUN: not clang-tidy --verify-config --config-file=%T/MyClangTidyConfigCSABad 2>&1 | FileCheck %s -check-prefix=CHECK-VERIFY-CSA-BAD -implicit-check-not='{{warnings|error}}'
+// CHECK-VERIFY-CSA-BAD: command-line option '-config': warning: unknown check option 'clang-analyzer-optin.cplusplus.UninitializedObject.Pedantic'; did you mean 'clang-analyzer-optin.cplusplus.UninitializedObject:Pedantic' [-verify-config]
+

``````````

</details>


https://github.com/llvm/llvm-project/pull/109523